Ingredients
Instructions
- Preheat oven to 180C fan forced (200C normal/conventional).
- Put the onions in a gratin (or baking) dish that is just large enough to hold them in one layer.
- Pour over the stock and sprinkle with seasonings, sugar, balsamic and oil.
- Cook in the oven for about 1 hour or until tender, tossing every now and then.
- Serve the onions with a sprinkling of parsley.